SwiftKey’s technology sifts through millions of typed-in keyboard combinations and collects that data in hopes of correctly guessing what you’re entering even before you finish typing. It’s like the autofill feature used by many software programs, but much, much smarter. Now Microsoft is buying SwiftKey in a bid to beef up its artificial intelligence push, according to a Financial Times report late Tuesday. A source close to deal confirmed the basics to Fortune but said the reported $250 million price is a tad high. The deal is expected to be announced Wednesday. Microsoft had no comment. SwiftKey’s predictive search technology relies on software installed on Android and Apple smart phones that logs users’ keyboard activity to detect patterns about what users search for or want to know. There’s an arms…